Biochemical
L-Threonine, CaS NO.: 72-19-5
Description
L-Threonine, CaS NO.: 72-19-5
Chemical Name: L-Threonine
Molecular Formula: C4H9NO3
Molecular Weight: 119.12
Characteristics: White crystalling powder
Packing: 25kg/drum,25kg/carton
Quality Standard: aJI92/USP28/EP5/FCCIV
Specification
Specific rotation[a]D20? -27.6?-29.0?
State of solution: Clear and colorless
(Tranamittance): min.98.0%
Chloride(Cl): max0.02%
ammonium(NH4): max0.02%
Sulfate(SO4): max0.020%
Iron(Fe): max10PPm
Heavy metals(Pb): max10PPm
arsenic(as2O3): max1PPm
Other amio acids: Chromatographically not detecatable
Loss on drying: max0.10%
Residue on ignition (Sulfated): max0.10%
assay: 99.0-100.5%
PH: 5.2-6.2
mutualchem(at)gmail(dot)com
Read More
Mutual Chemical Imp. & Exp. Co., Ltd.
D-Proline
Address: No.96 Nanjing Road,
Xinyang, Henan
China, 464100
Tel: 0086-376-3809212
Fax: 0086-376-3286988